mac80211: check ERP info IE length in parser

It's always just one byte, so check for that and
remove the length field from the parser struct.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index f76c58fb3bdc..157d951df7a4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3038,7 +3038,7 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
                 changed |= BSS_CHANGED_DTIM_PERIOD;
         }
 
-        if (elems.erp_info && elems.erp_info_len >= 1) {
+        if (elems.erp_info) {
                 erp_valid = true;
                 erp_value = elems.erp_info[0];
         } else {